12512138240
12,512,138,240 is an even composite number composed of five prime numbers multiplied together.
12512138240 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixty-four divisors.
Prime factorization of 12512138240:
210 × 5 × 72 × 53 × 941
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 53 × 941)See below for interesting mathematical facts about the number 12512138240 from the Numbermatics database.
Names of 12512138240
- Cardinal: 12512138240 can be written as Twelve billion, five hundred twelve million, one hundred thirty-eight thousand, two hundred forty.
Scientific notation
- Scientific notation: 1.251213824 × 1010
Factors of 12512138240
Divisors of 12512138240
- Number of divisors d(n): 264
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 53 56 64 70 80 98 106 112 128 140 160 196 212 224 245 256 265 280 320 371 392 424 448 490 512 530 560 640 742 784 848 896 941 980 1024 1060 1120 1280 1484 1568 1696 1792 1855 1882 1960 2120 2240 2560 2597 2968 3136 3392 3584 3710 3764 3920 4240 4480 4705 5120 5194 5936 6272 6587 6784 7168 7420 7528 7840 8480 8960 9410 10388 11872 12544 12985 13174 13568 14840 15056 15680 16960 17920 18820 20776 23744 25088 25970 26348 27136 29680 30112 31360 32935 33920 35840 37640 41552 46109 47488 49873 50176 51940 52696 54272 59360 60224 62720 65870 67840 75280 83104 92218 94976 99746 103880 105392 118720 120448 125440 131740 135680 150560 166208 184436 189952 199492 207760 210784 230545 237440 240896 249365 250880 263480 271360 301120 332416 349111 368872 379904 398984 415520 421568 461090 474880 481792 498730 526960 602240 664832 698222 737744 797968 831040 843136 922180 949760 963584 997460 1053920 1204480 1329664 1396444 1475488 1595936 1662080 1686272 1745555 1844360 1899520 1994920 2107840 2408960 2443777 2659328 2792888 2950976 3191872 3324160 3372544 3491110 3688720 3989840 4215680 4817920 4887554 5585776 5901952 6383744 6648320 6745088 6982220 7377440 7979680 8431360 9775108 11171552 11803904 12218885 12767488 13296640 13964440 14754880 15959360 16862720 19550216 22343104 23607808 24437770 25534976 27928880 29509760 31918720 33725440 39100432 44686208 47215616 48875540 51069952 55857760 59019520 63837440 78200864 89372416 97751080 111715520 118039040 127674880 156401728 178744832 195502160 223431040 236078080 255349760 312803456 357489664 391004320 446862080 625606912 782008640 893724160 1251213824 1564017280 1787448320 2502427648 3128034560 6256069120 12512138240
- Sum of all divisors σ(n): 35611364232
- Sum of proper divisors (its aliquot sum) s(n): 23099225992
- 12512138240 is an abundant number, because the sum of its proper divisors (23099225992) is greater than itself. Its abundance is 10587087752
Bases of 12512138240
- Binary: 10111010011100100000010100000000002
- Hexadecimal: 0x2E9C81400
- Base-36: 5QXEJNK
Squares and roots of 12512138240
- 12512138240 squared (125121382402) is 156553603336870297600
- 12512138240 cubed (125121382403) is 1958820326921046452521140224000
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The
square root of 12512138240 is 111857.6695627081 -
The
cube root of 12512138240 is 2321.5453833711
Scales and comparisons
How big is 12512138240?- 12,512,138,240 seconds is equal to 397 years, 44 weeks, 9 hours, 57 minutes, 20 seconds.
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To count from 1 to 12,512,138,240 would take you about seven hundred ninety-five years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 12512138240 cubic inches would be around 193.5 feet tall.
Recreational maths with 12512138240
- 12512138240 backwards is 04283121521
- The number of decimal digits it has is: 11
- The sum of 12512138240's digits is 29
- More coming soon!
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